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Years in Production / 1981–1984
Hesston
780
Explore the specifications, hardware, and original references for the Hesston 780.
77hp
Engine estimate · from PTO
MFWD Optional
Drive
1981–1984
Production years
Hesston
Manufacturer
780 / 01
At a glance
Production
Utility tractor
Original price was $23,500 in 1984
- Manufacturer
- Hesston (a part of Fiat)
Hydraulics
- Type
- open center
- Pressure
- 2702 psi186.3 bar
- Valves
- 2
- Pump Flow
- 11 gpm41.6 lpm
Hitch
- Rear Type
- II
Pto
- Rear Pto
- independent
- Rear Type
- 540
Electrical
- Charging System
- alternator
- Charging Amps
- 45
- Charging Amps
- 55 *The 55A alternator was used on tractors with cab and air-conditioning.
- Battery Volts
- 12
Mechanical
Two- or four-wheel drive
Power steering
Differential hydraulic wet disc brakes
ROPS standard, Supercomfort cab optional with air conditioning. Optional radio, cassette, and CB radio.
780 / 02
Under the hood
Engine Detail
Fiat 8045
diesel
4-cylinder
liquid-cooled
- Displacement
- 224 ci3.7 L
- Bore Stroke
- 4.03x4.33 inches102 x 110 mm
- Compression Ratio
- 17:1
- Rated Rpm
- 2500
- Starter
- electric
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Fiat 3.7L 4-cyl diesel
- Fuel Tank
- 21.1 gal79.9 L
780 / 03
Gears & controls
Transmission (Option 1)
Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges.
- Transmission Type
- partially synchronized
- Gears
- 8 forward and 2 reverse
Transmission (Option 2)
Four gears with four ranges provides sixteen forward speeds.
- Gears
- 16 forward and 4 reverse
Transmission (Option 3)
- Transmission Type
- mechanical shuttle
- Gears
- 8 forward and reverse
780 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 144 in365 cm
- Height (cab)
- 103.5 in262 cm
- Height (ROPS)
- 102.5 in260 cm
- Wheelbase
- 89 in226 cm
Dimensions And Tires
- Wheelbase
- 89 inches226 cm
- Weight
- 5495 to 6200 pounds
- Front Tire
- 7.50-16
- Rear Tire
- 18.4-30
Tires And Tracks
- Front Ag
- 7.50-162WD
- Front Ag
- 12.4-244WD
- Rear Ag
- 18.4-30
780 / 05
Tests (NTTL)
Nebraska Tractor Test 1294
Diesel 16-speed 2WDOctober 19 - November 1, 1978
PTO performance
Drawbar performance
Gear 4N used for power test.
- Id
- 1294
- Power At Rated Engine Speed
- 70.36 hp52.5 kW
- Fuel Use
- 4.7 gal/hour17.8 l/hour
- Fuel Use
- 4.3 gal/hour16.3 l/hour
- Fuel Use
- 4.5 gal/hour17.0 l/hour
- Power At Rated Pto Speed
- 66.30 hp49.4 kW
- Max Power
- 62.88 hp46.9 kW
Nebraska Tractor Test 1386
Diesel 8-speed 4WDApril 21 - 29, 1981
PTO performance
Drawbar performance
- Id
- 1386
- Power At Rated Engine Speed
- 70.57 hp52.6 kW
- Fuel Use
- 4.4 gal/hour16.7 l/hour
- Fuel Use
- 4.0 gal/hour15.1 l/hour
- Power At Rated Pto Speed
- 66.67 hp49.7 kW
- Max Power
- 59.97 hp44.7 kW